About Air Quality Index (AQI) AQI is a number, which is a measure of air quality. The higher the AQI, the worse the air. The colour-coded AQI index was launched by the Government of India in 2014, and it helps …
What is the Graded Response Action Plan? The GRAP is a step-by-step plan to counter Delhi-NCR region’s deteriorating air quality. It was formulated by the Environmental Pollution Prevention and Control Authority (EPCA) jointly with the Delhi government in 2017. The …